The debate over the U.S. Air Force’s reliance on Atlas 5’s Russian RD-180 engine garners more headlines. But the Defense Department’s space leaders have spent much of the spring talking about another issue: the...

An Atlas 5 rocket lifts off from Space launch Complex-41 at Cape Canaveral Air Force Station, Florida. Credit: ULA
When the U.S. Air Force announced contracts Feb. 29 for Aerojet Rocketdyne to work on a new r...

Ash Carter, U.S. Defense Secretary, was back in Silicon Valley this month promoting collaboration between DoD and a region synonymous with disruption and innovation — qualities the Pentagon needs in an era of f...

For the past two years, senior U.S. lawmakers have haggled over how many more RD-180 rocket engines United Launch Alliance should be permitted to import from Russia before the Atlas 5 is sidelined by Fly Americ...

Nearly every time he’s given a speech in the last year, Gen. John Hyten, the head of U.S. Air Force Space Command, has said the Defense Department needs to better prepare for a war in space.
He paints a vivid ...